2g94

Crystal structure of beta-secretase bound to a potent and highly selective inhibitor.

Method: X-RAY DIFFRACTION Dmax: 144.8 Å Quality: GOOD

1. 蛋白身份与相关结构 Protein Identity & Related Structures

Beta-secretase 1

Homo sapiens

UniProt P56817

当前结构中的状态

Assembly 聚集状态 构建体 突变与修饰 配体、离子与共同组分 实验方法与环境 结构质量
1 蛋白单体 单体 蛋白 × 1 PDB 声明:monomeric(1) 与蛋白拷贝数一致 链 A; UniProt 58–446 未记录 ZPQ N~2~-[(2R,4S,5S)-5-{[N-{[(3,5-DIMETHYL-1H-PYRAZOL-1-YL)METHOXY]CARBONYL}-3-(METHYLSULFONYL)-L-ALANYL]AMINO}-4-HYDROXY-2,7-DIMETHYLOCTANOYL]-N-ISOBUTYL-L-VALINAMIDE × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6.5;290 K;Apo enzyme crystal was obtained at 15% PEG 8000, PH 6.5 in Sodium Cacodylate buffer. The apo enzyme crystal was soaked in concentrated inhibitor solution to make the enzyme/inhibitor complex crystal for X-ray data collection, VAPOR DIFFUSION, HANGING DROP, temperature 290K 分辨率 1.86 Å R-free 0.227
2 蛋白单体 单体 蛋白 × 1 PDB 声明:monomeric(1) 与蛋白拷贝数一致 链 B; UniProt 58–446 未记录 ZPQ N~2~-[(2R,4S,5S)-5-{[N-{[(3,5-DIMETHYL-1H-PYRAZOL-1-YL)METHOXY]CARBONYL}-3-(METHYLSULFONYL)-L-ALANYL]AMINO}-4-HYDROXY-2,7-DIMETHYLOCTANOYL]-N-ISOBUTYL-L-VALINAMIDE × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6.5;290 K;Apo enzyme crystal was obtained at 15% PEG 8000, PH 6.5 in Sodium Cacodylate buffer. The apo enzyme crystal was soaked in concentrated inhibitor solution to make the enzyme/inhibitor complex crystal for X-ray data collection, VAPOR DIFFUSION, HANGING DROP, temperature 290K 分辨率 1.86 Å R-free 0.227
3 蛋白单体 单体 蛋白 × 1 PDB 声明:monomeric(1) 与蛋白拷贝数一致 链 C; UniProt 58–446 未记录 ZPQ N~2~-[(2R,4S,5S)-5-{[N-{[(3,5-DIMETHYL-1H-PYRAZOL-1-YL)METHOXY]CARBONYL}-3-(METHYLSULFONYL)-L-ALANYL]AMINO}-4-HYDROXY-2,7-DIMETHYLOCTANOYL]-N-ISOBUTYL-L-VALINAMIDE × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6.5;290 K;Apo enzyme crystal was obtained at 15% PEG 8000, PH 6.5 in Sodium Cacodylate buffer. The apo enzyme crystal was soaked in concentrated inhibitor solution to make the enzyme/inhibitor complex crystal for X-ray data collection, VAPOR DIFFUSION, HANGING DROP, temperature 290K 分辨率 1.86 Å R-free 0.227
4 蛋白单体 单体 蛋白 × 1 PDB 声明:monomeric(1) 与蛋白拷贝数一致 链 D; UniProt 58–446 未记录 ZPQ N~2~-[(2R,4S,5S)-5-{[N-{[(3,5-DIMETHYL-1H-PYRAZOL-1-YL)METHOXY]CARBONYL}-3-(METHYLSULFONYL)-L-ALANYL]AMINO}-4-HYDROXY-2,7-DIMETHYLOCTANOYL]-N-ISOBUTYL-L-VALINAMIDE × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6.5;290 K;Apo enzyme crystal was obtained at 15% PEG 8000, PH 6.5 in Sodium Cacodylate buffer. The apo enzyme crystal was soaked in concentrated inhibitor solution to make the enzyme/inhibitor complex crystal for X-ray data collection, VAPOR DIFFUSION, HANGING DROP, temperature 290K 分辨率 1.86 Å R-free 0.227

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly, “相对当前条目”直接指出证据层面的不同;没有差异标签表示当前已读取字段一致。

共 430 个其他 PDB 条目、733 个 assembly。 打开独立比较页并筛选聚集状态

查看构建体与数据证据
UniProt名称 BACE1_HUMAN
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–389; UniProt 58–446 作者链 B; PDB构建体 1–389; UniProt 58–446 作者链 C; PDB构建体 1–389; UniProt 58–446 作者链 D; PDB构建体 1–389; UniProt 58–446

页面优先展示蛋白身份、当前 assembly、共同组分、聚集状态和跨 PDB 结构链接。 链映射与序列区间收在“数据证据”中;数据库内部编号、导入时间和 assembly 操作表达式仅用于维护,因此不在读者页面展示。

SAXS 散射曲线 SAXS Profile

SAXS profile for 2g94

P(r) 距离分布 P(r) Distribution

P(r) distribution for 2g94
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id2g94
沉积日期 deposition_date2006-03-05
结构标题 titleCrystal structure of beta-secretase bound to a potent and highly selective inhibitor.
关键词 keywords;beta secretase, Alzheimer's disease, memapsin, BACE, ASP2, Aspartic protease, drug design, protease inhibitor, HYDROLASE ;; HYDROLASE
实验方法 methodX-RAY DIFFRACTION

3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier44.22
回转半径 Rg (电子) rg_electron43.76
零角强度 I(0) i0439595000.00
分子量 molecular_weight175690.0 kDa
排除体积 excluded_volume220600 ų
包络体积 envelope_volume294110 ų
水化壳体积 shell_volume55825 ų
包络直径 envelope_diameter159.6
壳层 Rg shell_rg49.35
包络 Rg envelope_rg42.70
形状 Rg shape_rg43.77
总 Rg total_rg44.00
总原子数 total_atoms12392
残基数 n_residues1556
球谐函数阶数 n_harmonics20
q 范围 q_range— – 0.5000 −1
数据点数 n_points101
壳层类型 shell_typedirectional
溶剂电子密度 solvent_density0.3340 e/ų
壳层衬度 contrast_shell0.0300 e/ų
CRYSOL 版本 crysol_version4.1.3

4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax144.8
Rg (实空间) rg_real44.21
Rg 误差 (实空间) rg_real_error1.24
I(0) (实空间) i0_real4.3960e+08
I(0) 误差 (实空间) i0_real_error7.5500e+06
Rg (倒空间) rg_reciprocal44.22
I(0) (倒空间) i0_reciprocal439600000.0000
解质量估计 total_estimate0.8649
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary64.3
偏度 Skewness skewness0.224
峰度 Kurtosis kurtosis-0.444
角度范围 angular_range— – 0.1800 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha135700000.0000
实空间数据点数 n_real_points37
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.841; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.977; Smooth: 0.741

5. 晶体学与实验 5. Crystallography & Experiment

6. 实体与聚合物信息 Entities & Polymers (3)

7. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd2g94a_
类 Class classb — All beta proteins
折叠类型 Fold foldb.50 — Acid proteases
超家族 Superfamily superfamilyb.50.1 — Acid proteases
家族 Family familyb.50.1.2 — Pepsin-like
结构域编号 domain_idd2g94b_
类 Class classb — All beta proteins
折叠类型 Fold foldb.50 — Acid proteases
超家族 Superfamily superfamilyb.50.1 — Acid proteases
家族 Family familyb.50.1.2 — Pepsin-like
结构域编号 domain_idd2g94c_
类 Class classb — All beta proteins
折叠类型 Fold foldb.50 — Acid proteases
超家族 Superfamily superfamilyb.50.1 — Acid proteases
家族 Family familyb.50.1.2 — Pepsin-like
结构域编号 domain_idd2g94d_
类 Class classb — All beta proteins
折叠类型 Fold foldb.50 — Acid proteases
超家族 Superfamily superfamilyb.50.1 — Acid proteases
家族 Family familyb.50.1.2 — Pepsin-like

CATH v4.4 (8 domains)

结构域编号 domain_id2g94A01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology70 — Cathepsin D, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acid Proteases
结构域编号 domain_id2g94A02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology70 — Cathepsin D, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acid Proteases
结构域编号 domain_id2g94B01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology70 — Cathepsin D, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acid Proteases
结构域编号 domain_id2g94B02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology70 — Cathepsin D, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acid Proteases
结构域编号 domain_id2g94C01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology70 — Cathepsin D, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acid Proteases
结构域编号 domain_id2g94C02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology70 — Cathepsin D, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acid Proteases
结构域编号 domain_id2g94D01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology70 — Cathepsin D, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acid Proteases
结构域编号 domain_id2g94D02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology70 — Cathepsin D, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acid Proteases

8. 引用文献 (1)

9. 文件与曲线 (10)